Netflix Inc. (NASDAQ:NFLX) stock rallied 23.53 percent to $215.40 in pre-market trading. The company swung to first quarter net profit of $2.7 million or $0.05 per share compared to net loss of $4.6 million or $0.08 per share in the same period last year. Adjusted profit was $19 million or $0.31 per share, above Reuters' estimate of $0.19 per share. Netflix also added more than 2 million new customers in the first quarter that brings the domestic total for the period to 29.2 million subscribers.

Toll Brothers Inc. (NYSE:TOL) stock climbed 7.69 percent to $33.62 in pre-market trading. The stock has a 52-week low of $22.90, a 52-week high of $38.36 and $5.28 billion in market capitalization.

Aixtron SE (NASDAQ:AIXG) stock climbed 7.36 percent to $13.56 in pre-market trading. The stock has a 52-week low of $11.21, a 52-week high of $19.16 and $1.27 billion in market capitalization.

ARM Holdings Plc (NASDAQ:ARMH) stock surged 6.64 percent to $42.91 in pre-market trading. The company reported first quarter profit before tax of 67.1 million pounds, up from 51.3 million pounds in the same period last year. Diluted earnings rose to $0.168 per ADS from $0.13 per ADS last year.

Bank of America Corp. (NYSE:BAC) stock gained 1.37 percent to $11.88 in pre-market trading. The stock has a 52-week low of $6.72, a 52-week high of $12.94 and $126.84 billion in market capitalization.

PulteGroup Inc. (NYSE:PHM) stock gained 1.04 percent to $18.50 in pre-market trading. The stock has a 52-week low of $7.63, a 52-week high of $21.97 and $7.08 billion in market capitalization.

Losers

Silver Wheaton Corp. (NYSE:SLW) stock plunged 2.62 percent to $22.29 in pre-market trading. The stock has a 52-week low of $21.79, a 52-week high of $41.30 and $8.11 billion in market capitalization.

RadioShack Corp. (NYSE:RSH) stock declined 2.55 percent to $3.06 in pre-market trading. Its first quarter net loss widened to $43.3 million or $0.43 per share from $8 million or $0.08 per share in the same period last year.

Autoliv Inc. (NYSE:ALV) stock fell 1.42 percent to $67.23 in pre-market trading. The stock has a 52-week low of $51.31, a 52-week high of $71.20 and $6.51 billion in market capitalization.